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Rachel M. Berquist, Kristen M. Gledhill, Matthew W. Peterson, Allyson H. Doan, Gregory T. Baxter, Kara E. Yopak, Ning Kang, H. J. Walker, Philip A. Hastings, Lawrence R. Frank
PLoS One. 2012; 7(4): e34499. Published online 2012 Apr 6. doi: 10.1371/journal.pone.0034499

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